/lib64/ld-linux-x86-64.so.2
libc.so.6
__printf_chk
__isoc99_scanf
puts
__stack_chk_fail
putchar
malloc
__cxa_finalize
__libc_start_main
GLIBC_2.7
GLIBC_2.3.4
GLIBC_2.4
GLIBC_2.2.5
_ITM_deregisterTMCloneTable
__gmon_start__
_ITM_registerTMCloneTable
ATUSA
[]A\
AWAVAUATUSI
[]A\A]A^A_
D$x1
D$xdH3
AWAVI
AUATL
[]A\A]A^A_
 (%c
-- part 0 --
 You said '%s'. 
 Oops: scanf error 
-- part1 --
-- part2 --
 fibbo(5) is %d 
-- part3 --
It's demo.c !!!
(Are we having fun yet?)
 What is your favorite color? 
 before: n1 = %d, n2 = %d, n3 = %d, n4 = %d 
 after: n1 = %d, n2 = %d, n3 = %d, n4 = %d 
;*3$"
GCC: (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
crtstuff.c
deregister_tm_clones
__do_global_dtors_aux
completed.7698
__do_global_dtors_aux_fini_array_entry
frame_dummy
__frame_dummy_init_array_entry
demo.c
__FRAME_END__
__init_array_end
_DYNAMIC
__init_array_start
__GNU_EH_FRAME_HDR
_GLOBAL_OFFSET_TABLE_
__libc_csu_fini
putchar@@GLIBC_2.2.5
_ITM_deregisterTMCloneTable
puts@@GLIBC_2.2.5
_edata
fibbo
make_tree
part3
__stack_chk_fail@@GLIBC_2.4
part1
__libc_start_main@@GLIBC_2.2.5
__data_start
__gmon_start__
__dso_handle
_IO_stdin_used
__libc_csu_init
malloc@@GLIBC_2.2.5
__bss_start
main
__printf_chk@@GLIBC_2.3.4
part0
part2
__isoc99_scanf@@GLIBC_2.7
print_tree
__TMC_END__
_ITM_registerTMCloneTable
swap
swap_and_stuff
__cxa_finalize@@GLIBC_2.2.5
new_node
.symtab
.strtab
.shstrtab
.interp
.note.ABI-tag
.note.gnu.build-id
.gnu.hash
.dynsym
.dynstr
.gnu.version
.gnu.version_r
.rela.dyn
.rela.plt
.init
.plt.got
.text
.fini
.rodata
.eh_frame_hdr
.eh_frame
.init_array
.fini_array
.dynamic
.data
.bss
.comment